Patton electronic RS-232 User's Manual
Contents
1. Thank you for your purchase of this Patton Electronics product This product has been thoroughly inspected and tested and is warranted for One Year parts and labor If any questions or problems arise during installation or use of this product please do not hesitate to contact Patton Electronics Technical Support at 301 975 1007 2 1 FEATURES e Switch selectable carrier control e Synchronous data rates of 32 56 and 64 Kbps e Distances to 6 miles e Point to point or multipoint operation e V 54 loopback tests and V 52 compliant BER tests e Five easy to read LED indicators e AC powered e Transformer isolation e Silicon Avalanche Diode surge protection 2 2 DESCRIPTION The Model 1035 high speed short range modem supports synchronous communication at data rates of 32 56 and 64 Kbps Transmit clock options are internal external and receive loopback clock Deriving power from a 7 5V wall mount transformer the Model 1035 supports distances to 6 miles over unconditioned twisted pair The Model 1035 incorporates two V 54 test modes local analog loop and remote digital loop which can be activated via the RS 232 or V 35 interface or by a tiny externally accessible switch Additionally a built in V 52 BER test generator outputs 511 and 511E bit patterns which can also be controlled by a switch on the case Five easy to read LED indicators monitor power transmit data carrier detect test mode and test pattern For protection agai2. 2 o DE A EE E E E E ate 6 EEE E E E 24 OA AEE EEEE EA SEEE E TEE 17 TA T EE E E EEE 7 tNote When connected to another DCE device the Model 1035 should be configured for external clock see Section 3 3 4 2 3 CONNECTION TO A V 35 DCE DEVICE For details on connecting the Model 1035 to a V 35 DCE please contact Patton Electronics Technical Support at 301 975 1007 10 5 0 OPERATION Once the Model 1035 is properly configured and installed it should operate transparently as if it were a standard cable connection Section 5 0 describes reading the LED status monitors powering up and using the built in V 52 and V 54 test modes The Model 1035 is powered by a 7 5V DC external wall mount transformer To power up the unit connect the power supply cord to the power jack on the rear of the Model 1035 and plug the power adapter into the wall There is no ON OFF switch 5 1 FRONT PANEL SWITCHES During normal operation both front panel switches should be in the normal center position To operate a test mode see Section 5 3 5 2 LED STATUS MONITORS The Model 1035 features five front panel LEDs that monitor transmit data carrier detect two test modes and power Figure 6 shows the front panel location of each LED Following Figure 6 is a description of each LED s function a a E 9 E 9 aa Ors P E85 T m J Saag ZPO OOO RIP D H H H M4 Figure 6 Mo
3. Test The setting for switch SW1 2 determines whether or not the Model 1035 s remote digital test can be initiated by raising pin 21 on the DTE SW1 2 Setting On Pin 21 initiation enabled Off Pin 21 initiation disabled SW1 3 through SW1 7 Not Used continued 5 SW1 8 V 54 Enable Disable The setting for switch SW1 8 determines whether or not the Model 1035 s V 54 circuits are enabled SW1 8 Setting On V 54 test functions disabled Off V 54 test functions enabled SWITCH SET SW2 The configuration switches on switch set SW2 set data rate clock source carrier control and RTS CTS delay The default settings are summarized in Figure 4 SW2 SUMMARY TABLE Position Function Factory Default SW2 1 Data Rate Off SW2 2 Data Rate On 56 Kbps SW2 3 Data Rate Off SW2 4 Clock Source On iterhal SW2 5 Clock Source On SW2 6 Carrier Control Off Constantly On SW2 7 RTS CTS Delay On 7ms SW2 8 RTS CTS Delay On Figure 4 Summary of DIP switch settings for set SW2 SW2 1 through SW2 3 Data Rate Setting Switches SW2 1 through SW2 3 are set in combination to determine the synchronous data rate for the Model 1035 SW2 1 SW2 2 SW2 3 Setting On Off Off 64 Kbps Off On Off 56 Kbps Off Off On 32 Kbps continued SW2 4 and SW2 5 Clock Source Switches SW2 4 and SW2 5 are set in combination to determine the synchronous clock source for the Model 1035 SW2 4 SW2 5 Setting On On Inter
4. CTION CCITT V 35 PIN OUT REFERENCE DB 25 DIRECTION To Model 1035 From Model 1035 From Model 1035 From Model 1035 To Model 1035 To Model 1035 To Model 1035 To Model 1035 From Model 1035 Transmit Data B Transmit Clock A Receive Data B Receive Clock A Local Loopback LAL Data Term Ready DTR Remote Loopback RDL External Clock A Test Mode ooNnNODoGA A ON FG Frame Ground Transmit Data A Receive Data A RTS Request to Send CTS Clear to Send DSR Data Set Ready SG Signal Ground CD Carrier Detect Receive Clock B External Clock B 12 Transmit Clock B Common To Model 1035 From Model 1035 To Model 1035 From Model 1035 From Model 1035 Common From Model 1035 From Model 1035 To Model 1035 From Model 1035 eea taaa aaea irai Pal kd CRRA a aban a aaa a a ls aaron art J Bos Q g gt i oge l J y g Boa Eae a af ly HB eo e T iE a3 g a an z z Es Re 2g Ky gz i E 9 3 2 8 i a TOULNOD dool DOTYNY o GOT T Tad Iva ovid MOOTa scol TAAGO VAJH 16
5. USER MANUAL MODEL 1035 Powered High Speed Short Range Modem RS 232 and V 35 versions Pa PATTON Hi Elecironics To Part 07M1035 A SALES OFFICE Doc 054071UA 301 975 1000 Revie nS 39 TECHNICAL SUPPORT 301 975 1007 http www patton com 1 0 WARRANTY INFORMATION Patton Electronics warrants all Model 1035 components to be free from defects and will at our option repair or replace the product should it fail within one year from the first date of shipment This warranty is limited to defects in workmanship or materials and does not cover customer damage abuse or unauthorized modification If this product fails or does not perform as warranted your sole recourse shall be repair or replacement as described above Under no condition shall Patton Electronics be liable for any damages incurred by the use of this product These damages include but are not limited to the following lost profits lost savings and incidental or consequential damages arising from the use of or inability to use this product Patton Electronics specifically disclaims all other warranties expressed or implied and the installation or use of this product shall be deemed an acceptance of these terms by the user 1 1 RADIO AND TV INTERFERENCE The Model 1035 generates and uses radio frequency energy and if not installed and used properly that is in strict accordance with the manufacturer s instructions may cause interference to radio a
6. case below You don t have to worry about breaking the plastic H 3 3 SWITCH SETTINGS All possible settings for the Model 1035 s configuration switches are presented in the summary table and descriptions on the following pages If you have additional questions regarding configuration contact Patton Technical Support at 801 975 1007 SWITCH SET SW1 The configuration switches on switch set SW1 set analog loopback digital loopback and V 54 enable disable The default settings are summarized in Figure 3 below SW1 SUMMARY TABLE Position Function Factory Default SW1 1 DTE Control of Analog Loopback On Enabled SW1 2 DTE Control of Digital Loopback On Enabled SW1 3 Not Used Off n a SW1 4 Not Used Off n a SW1 5 Not Used Off n a SW1 6 Not Used Off n a SW1 7 Not Used Off n a SW1 8 V 54 Enable Disable Off Enabled Figure 3 Summary of DIP switch settings for set SW1 SW1 1 DTE Initiation of Local Analog Loopback Test The setting for switch SW1 1 determines whether or not the Model 1035 s local analog loopback test can be initiated by raising pin 18 on the DTE SW1 1 Setting On Pin 18 initiation enabled Off Pin 18 initiation disabled SW1 2 DTE Initiation of Remote Digital Loopback
7. del 1035 s LED indicators and test switches PWR Glows green when the Model 1035 is powered up TD Glows red for a space on transmit data CD Glows red for high on carrier detect BERT Glows red when bit errors occur in test mode 511 pattern Lights when 511 E test pattern has been selected LOOP Glows red when the Model 1035 is in remote digital loopback or local analog loopback mode 11 5 3 TEST MODES The Model 1035 offers two V 54 test modes to evaluate the condition of the modems and the communication link These tests can be activated physically from the front panel or via the interface Note V 54 test modes on the Model 1035 are available for point to point applications only 5 3 1 Local Analog Loopback LAL The Local Analog Loopback LAL test checks the operation of the local Model 1035 and is performed separately on each unit Any data sent to the local Model 1035 in this test mode will be echoed returned back to the user device For example characters typed on the keyboard of a terminal will appear on the terminal screen To perform a LAL test follow these steps A Activate LAL This may be done in one of two ways First by moving the front panel toggle switch DOWN to LAL Second by raising pin 18 on the interface Note Make sure DIP switch SW1 8 is OFF Once LAL is activated the Model 1035 transmitter output is connected to its own receiver The test LED should be lit B Ve
8. es yours may be different 4 2 CONNECTION TO THE RS 232 AND V 35 INTERFACES Once you have connected the twisted pair wires correctly simply plug the Model 1035 directly into the DB 25 port of the RS 232 or V 35 device After doing so remember to insert and tighten the two captive connector screws 4 2 1 CONNECTION TO A DTE DEVICE The Model 1035 is wired as a DCE and therefore wants to plug into a DTE such as a terminal PC or host A direct connection to the RS 232 or V 35 DTE port is most desirable If you must use a cable to connect the Model 1035 to the DTE port make sure it is a straight through cable of the shortest possible length we recommend 6 feet or less 1 Blue 1 Blue 2 Orange 2 Yellow 3 Black 3 Green 4 Red 4 Red 5 Green 5 Black 6 Yellow 6 White 7 Brown 8 Slate Figure 5 Standard AT amp T color codes 4 2 2 CONNECTION TO AN RS 232 DCE DEVICE Since the Model 1035 is wired as a DCE you cannot connect it directly to another DCE such as a modem multiplexer or printer If you need to connect the Model 1035 to another RS 232 DCE device you must use a null modem cable wired according to diagram below We recommend a cable of the shortest possible length preferably 6 feet or less Connection to Model 1035 Connection to DCE Device DB 25 Pin No DB 25 Pin No EEEE AEE ETET 1 PAE EE ATE E E ETE 3 Oia R E E A A ST 2 Ar aerie eT A EA ee 8 1S AEE TES 4 EEE E EE TTT 20
9. nal transmit clock Off On Receive recover clock On Off External transmit clock SW2 6 Carrier Control Method The setting for switch SW2 6 determines whether the carrier is constantly on or controlled by RTS This setting allows for operation in switched carrier multipoint and or hardware handshaking applications SW2 6 Setting Off Constantly on On Controlled by RTS SW2 7 and SW2 8 RTS CTS Delay The combined settings for switches SW2 7 and SW2 8 determine the amount of delay between the time the Model 1035 sees RTS and when it sends CTS SW2 7 SW2 8 Setting Off Off No delay On On 7ms On Off 53ms 7 4 0 INSTALLATION Once the Model 1035 is properly configured it is ready to connect to your system This section tells you how to properly connect the Model 1035 to the twisted pair RS 232 and V 35 interfaces 4 1 CONNECTION TO THE TWISTED PAIR INTERFACE The Model 1035 supports communication between two RS 232 devices or two V 35 devices at distances to 6 miles and data rates to 64 Kbps There are two essential requirements for installing the Model 1035 1 These units work in pairs Therefore you must have one Model 1035 or a compatible model at each end of a two twisted pair interface 2 To function properly the Model 1035 needs two twisted pairs of metallic wire These twisted pairs must be unconditioned dry metallic wire between 19 and 26 AWG the higher number gauges may limit dista
10. nce somewhat Standard dial up telephone circuits or leased circuits that run through signal equalization equipment or standard flat modular telephone type cable are not acceptable For your convenience the Model 1035 is available with two different twisted pair interfaces RJ 11 jack and RJ 45 jack 4 1 1 TWISTED PAIR CONNECTION USING RJ 11 OR RJ 45 The RJ 11 and RJ 45 connectors on the Model 1035 s twisted pair interface are pre wired for a standard TELCO wiring environment see Figure 5 The signal pin relationships are shown on the table on the following page RJ 11 SIGNAL RJ 45 SIGNAL eaae GNDt Tei teeenes N C P TAE PESE RCV 2 iaai eee ihe GNDt Sissies XMT S EA E RCV EE EEEN EEEE XMT e EES XMT Dais RCV Drei XMT Olli GNDt Orie en RCV TAERE GNDt Sania N C tConnection to ground is optional When connecting two Model 1035s it is necessary to use a twisted pair crossover cable The diagram below shows how a crossover cable should be constructed for an environment where both Model 1035s use a 6 wire RJ 11 connector Similar logic should be followed when using RJ 45 connectors or a combination of the two SIGNAL PIN COLOR COLOR PIN SIGNAL GNDt 1 BIUG eeeeee White 6 GNDt RCV 2 Yellow noores Red 4 XMT XMT 3 Green Black 5 RCV XMT 4 Red eeeceeeeee Yellow 2 RCV RCV 5 Black 05 Green 3 XMT GNDt 6 White Blue 1 GNDt Connection to ground is optional Standard color cod
11. nd television reception The Model 1035 has been tested and found to comply with the limits for a Class A computing device in accordance with the specifications in Subpart J of Part 15 of FCC rules which are designed to provide reasonable protection from such interference in a commercial installation However there is no guarantee that interference will not occur in a particular installation If the Model 1035 does cause interference to radio or television reception which can be determined by disconnecting the unit the user is encouraged to try to correct the interference by one or more of the following measures moving the computing equipment away from the receiver re orienting the receiving antenna and or plugging the receiving equipment into a different AC outlet such that the computing equipment and receiver are on different branches 1 2 SERVICE All warranty and non warranty repairs must be returned freight prepaid and insured to Patton Electronics All returns must have a Return Materials Authorization number on the outside of the shipping container This number may be obtained from Patton Electronics Technical Service at 301 975 1007 Packages received without an RMA number will not be accepted Patton Electronics technical staff is also available to answer any questions that might arise concerning the installation or use of your Model 1035 Technical Service hours 8AM to 5PM EST Monday through Friday 2 0 GENERAL INFORMATION
12. nst ground loops and transient surges the Model 1035 incorporates both isolation transformers and Silicon Avalanche Diode surge suppressors Housed in a miniature ABS plastic case the Model 1035 comes equipped with a female DB 25 connector and a choice of twisted pair interfaces RJ 11 jack or RJ 45 jack The Model 1035 is available in an RS 232 V 24 version and a CCITT V 35 version 3 0 CONFIGURATION The Model 1035 provides sixteen configuration switches which allow selection of data rates clocking methods V 54 test modes RTS CTS delay and DTE control of test functions This section describes switch locations and explains all possible switch configurations 3 1 CONFIGURATION SWITCHES The Model 1035 s unique set of sixteen internal DIP switches allows configuration to an extremely wide range of applications These switches are grouped into two eight switch sets and are located on the inside of the unit Figure 1 For instructions on opening the Model 1035 case see Section 3 2 Haon OOO J A HHHHHHH Figure 1 The inside of the Model 1035 Figure 2 shows the orientation of the switches including the ON OFF positions 12345678 ON o A zt y OFF A OFF Figure 2 Close up of configuration switches 3 3 2 OPENING THE CASE Open the unit by gently inserting a screwdriver into the special pry slot on the plastic
13. ons and continuity 5 3 3 Using the V 52 BER Test Independently The V 52 BER test can be used independently of the V 54 loopback tests This requires two operators one to initiate and monitor the test at the local Model 1035 and one at the remote Model 1035 To use the V 52 BER test by itself both operators should simultaneously follow these steps 1 Locate the 511 511E toggle switch on the front panel of the 1035 and move it DOWN This activates the V 52 BER test mode and transmits a 511 test pattern to the other unit If any errors are present the receiving modem s red Error LED will blink sporadically Note For this test to function the 511 switch on both Model 1035s must be on 2 If the test indicates no errors are present move the V 52 toggle switch UP activating the 511 E test with errors present If the test is working properly the receiving modem s red Error LED will glow A successful 511 E test will confirm that the link is in place and that the Model 1035 s built in 511 generator and detector are working properly 5 4 POWER DOWN Turn off the Model 1035 by unplugging the AC power adapter from the wall There is no power switch on the Model 1035 13 APPENDIX A PATTON MODEL 1035 SPECIFICATIONS Transmission Format Transmission Line Clocking Distance Interfaces Data Rates Isolation Surge Protection Control Signals RTS CTS Delay Connec
14. rify that the data terminal equipment is operating properly and can be used for a test If a fault is indicated call a technician or replace the unit C Perform a BER bit error rate test on each unit If the BER test equipment indicates no faults but the data terminal indicates a fault follow the manufacturer s checkout procedures for the data terminal Also check the interface cable between the terminal and the Model 1035 5 3 2 Remote Digital Loopback RDL The Remote Digital Loopback RDL test checks the performance of both the local and remote Model 1035s and the communication link between them Any characters sent to the remote Model 1035 in this test mode will be returned back to the originating device For example characters typed on the keyboard of the local terminal will appear on the local terminal screen after having been passed to the remote Model 1035 and looped back To perform an RDL test follow these steps continued 12 A Activate RDL This may be done in two ways first by moving the front panel toggle switch UP to RDL Second by raising pin 21 on the interface Note Make sure SW1 8 is OFF B Perform a BER bit error rate test on the system C If the BER test equipment indicates a fault and the Local Analog Loopback test was successful for both Model 1035s you may have a problem with the twisted pair line between the modems You should then check the twisted pair line for proper connecti
15. tors Power Supply Temperature Range Altitude Humidity Dimensions Weight Synchronous Unconditioned twisted pair 19 26 AWG Internal external or receive loopback To 6 miles EIA RS 232 CCITT V 24 CCITT V 35 32 56 and 64 Kbps switch selectable Minimum 1500 V RMS via isolation transformers 600W power dissipation at 1 mS Constantly on or Controlled by RTS No delay 7ms 53ms DB 25 female or male on RS 232 V 35 side RJ 11 or RJ 45 on line side 7 5V DC wall mount transformer 0 60 C 32 140 F 0 15 000 feet 5 to 95 non condensing 3 55 x 2 1 x 80 2 Oz 14 APPENDIX B PIN CONFIGURATIONS APPENDIX C BLOCK DIAGRAM DIRECTION RS 232 PIN OUT REFERENCE DB 25 DIRECTION 1 FG Frame Ground Common 2 TD Transmit Data To Model 1035 krom Mogel 1035 Transmit Clock 3 RD Receive Data From Model 1035 From Model 1035 Receive Clock 4 RTS Request to Send To Model 1035 To Model 1035 rere back 5 CTS Clear to Send From Model 1035 hia ORTA oe 6 DSR Data Set Ready From Model 1035 7 SG Signal Ground Common To Model 1035 1 Data Tenn Ready DTR 8 CD Carrier Detect From Model 1035 From Model 1035 To Model 1035 From Model 1035 Remote Digital Loopback External Clock Test Mode a gt ay gt TT Tau asd gt Ap epa ai o SCLAST ISAL gt Ox TISHO Kidans HAMO DIRE
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